CVE-2012-0920: debian debian_linux Resource Management Errors
Vulnerability summary
CVE-2012-0920 is a high (CVSS 7.1) Resource Management Errors vulnerability in debian debian_linux. EPSS estimates a 6.42% chance of exploitation in the next 30 days, higher than 93.7% of scored vulnerabilities.
Not severe (CVSS 7.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 05-06-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to "channels concurrency."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
6.42%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
Decrease -0.07 pp
From 6.49% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- dropbear< 0.52-5+squeeze1 | < 2012.55-1
- debian_linuxEOL6.0 | 7.0
Dropbear_ssh_project1 product
- dropbear_ssh≥ 0.52, ≤ 2012.54
2 vendors · 3 products
